refactor: Reduce zli binary size (#1805)

Signed-off-by: Alexei Dodon <adodon@cisco.com>

pkg/cli/client/root_test.go

@@ -0,0 +1,31 @@
+//go:build search
+// +build search
+
+package client_test
+
+import (
+	"os"
+	"testing"
+
+	. "github.com/smartystreets/goconvey/convey"
+
+	"zotregistry.io/zot/pkg/cli/client"
+)
+
+func TestCliUsage(t *testing.T) {
+	oldArgs := os.Args
+
+	defer func() { os.Args = oldArgs }()
+
+	Convey("Test usage", t, func(c C) {
+		os.Args = []string{"cli_test", "help"}
+		err := client.NewCliRootCmd().Execute()
+		So(err, ShouldBeNil)
+	})
+
+	Convey("Test version", t, func(c C) {
+		os.Args = []string{"cli_test", "--version"}
+		err := client.NewCliRootCmd().Execute()
+		So(err, ShouldBeNil)
+	})
+}